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[PATCH 7/8] target/ppc: 74xx: System Reset interrupt cleanup
From: |
Fabiano Rosas |
Subject: |
[PATCH 7/8] target/ppc: 74xx: System Reset interrupt cleanup |
Date: |
Wed, 26 Jan 2022 13:41:59 -0300 |
The whole power saving states logic seems to be dependent on HV mode,
which don't exist for 74xx so I'm removing it all and leaving the
abort message.
Signed-off-by: Fabiano Rosas <farosas@linux.ibm.com>
---
target/ppc/excp_helper.c | 18 ++----------------
1 file changed, 2 insertions(+), 16 deletions(-)
diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c
index 070c9779ad..9d4ee7f928 100644
--- a/target/ppc/excp_helper.c
+++ b/target/ppc/excp_helper.c
@@ -681,23 +681,9 @@ static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp)
case POWERPC_EXCP_DECR: /* Decrementer exception */
break;
case POWERPC_EXCP_RESET: /* System reset exception */
- /* A power-saving exception sets ME, otherwise it is unchanged */
if (msr_pow) {
- /* indicate that we resumed from power save mode */
- msr |= 0x10000;
- new_msr |= ((target_ulong)1 << MSR_ME);
- }
- if (env->msr_mask & MSR_HVB) {
- /*
- * ISA specifies HV, but can be delivered to guest with HV
- * clear (e.g., see FWNMI in PAPR, NMI injection in QEMU).
- */
- new_msr |= (target_ulong)MSR_HVB;
- } else {
- if (msr_pow) {
- cpu_abort(cs, "Trying to deliver power-saving system reset "
- "exception %d with no HV support\n", excp);
- }
+ cpu_abort(cs, "Trying to deliver power-saving system reset "
+ "exception %d with no HV support\n", excp);
}
break;
case POWERPC_EXCP_TRACE: /* Trace exception */
--
2.34.1
- [PATCH 0/8] target/ppc: powerpc_excp improvements [74xx] (5/n), Fabiano Rosas, 2022/01/26
- [PATCH 8/8] target/ppc: 74xx: Set SRRs directly in exception code, Fabiano Rosas, 2022/01/26
- [PATCH 5/8] target/ppc: 74xx: Program exception cleanup, Fabiano Rosas, 2022/01/26
- [PATCH 3/8] target/ppc: 74xx: Machine Check exception cleanup, Fabiano Rosas, 2022/01/26
- [PATCH 2/8] target/ppc: Simplify powerpc_excp_74xx, Fabiano Rosas, 2022/01/26
- [PATCH 6/8] target/ppc: 74xx: System Call exception cleanup, Fabiano Rosas, 2022/01/26
- [PATCH 1/8] target/ppc: Introduce powerpc_excp_74xx, Fabiano Rosas, 2022/01/26
- [PATCH 4/8] target/ppc: 74xx: External interrupt cleanup, Fabiano Rosas, 2022/01/26
- [PATCH 7/8] target/ppc: 74xx: System Reset interrupt cleanup,
Fabiano Rosas <=
- Re: [PATCH 0/8] target/ppc: powerpc_excp improvements [74xx] (5/n), BALATON Zoltan, 2022/01/26
- Re: [PATCH 0/8] target/ppc: powerpc_excp improvements [74xx] (5/n), Mark Cave-Ayland, 2022/01/27